越来越多的汽车进入了我们的家庭生活并且改善了我们的生活，但很不幸运的是，也带来了很多问题，如塞车和车祸，给家庭和社会带来极大的危害。作为中学生，我们应该如何做才能为保障交通的通畅做出自己的贡献，请根据短文内容，补全所缺词汇，每空一词。

    With more and more cars coming into our families, we are happy that it has greatly improved our life. But ____, it has also brought many problems, such as heavy traffic and traffic accidents.

    Traffic safety is everybody's business. We must obey the traffic ____. For example, we must walk on walk sides. When we cross zebra-crossing, stop and look ____and left, then go ____the road fast. Don't play football on the road. We can tell our parents not to drink before they drive, not to run through red lights, not to talk and laugh ____we are driving, etc.

    We can say cars are coming into our life, but only when everybody thinks traffic safety is everybody's business can we be safe driving on roads and walking on walk sides.